Microwave down converter



FIG. 1 is a front, top and left side perspective view of a microwave down converter showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof, the right side being identical;

FIG. 4 is a bottom plan view thereof, the top plan view being identical; and

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a microwave down converter, as shown and described. 